Cheap flights from Hong Kong Intl to Sydney

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Flight deals from Hong Kong Intl to Sydney

Looking for a cheap last-minute deal or the best round-trip flight from Hong Kong Intl to Sydney? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Hong Kong Intl to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hong Kong Intl to Sydney flights are currently cheapest in March.

Direct flights from Hong Kong Intl to Sydney

Hong Kong Intl to Sydney: Alternative routes

Compare routes from Hong Kong Intl to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Hong Kong to Sydney: Flight information

The things to know before you go.
Cheapest flight found$350
Cheapest month to flyMarch
Average flight time9 hrs, 5 mins
Most popular airlineBritish Airways
Average flights per week175

Finding cheap flights from Hong Kong Intl to Sydney: Frequently asked questions

The best price we found for a round-trip flight from Hong Kong Intl to Sydney is $350. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
9 hours and 5 minutes is the average flight time from Hong Kong Intl to Sydney.
British Airways, Finnair and Cathay Pacific fly direct from Hong Kong Intl to Sydney.
There are 183 flights per week flying from Hong Kong Intl to Sydney, as of February 2025.
The cheapest month to fly from Hong Kong Intl to Sydney is usually February 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hong Kong Intl Airport to Sydney Airport on Tuesday, March 11, 2025.
Yes – the average flight time is 9 hours and 5 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Scoot and Hong Kong Airlines offer the cheapest flight tickets to Sydney.

Flying from Hong Kong International Airport (HKG) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • The average time for a direct flight from Hong Kong International Airport to Sydney (Kingsford Smith) Airport is 9 hours 14 minutes. Sydney's timezone is UTC+11, making Sydney 3 hours ahead of Hong Kong.

  • Flights from Hong Kong International Airport to Sydney (Kingsford Smith) Airport start at 07:35 — the earliest with Cathay Pacific. The last departure is the 23:55 service with Cathay Pacific. Overall, you can choose from 45 weekly services between HKG and SYD.

  • During popular months such as August, you'll want to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you fly during peak periods in general.

  • Visiting Sydney (and then seeing more of Australia!) is easy with Qantas. This popular carrier runs direct flights from Hong Kong International Airport to Sydney (Kingsford Smith) Airport.

  • If you'd like a stopover for your flight from Hong Kong International Airport to Sydney (Kingsford Smith) Airport, simply deselect 'Direct flights only' and explore your options. These are the top stopovers between HKG and SYD:

    • Ninoy Aquino International Airport

    • Melbourne Tullamarine Airport

    • Taiwan Taoyuan International Airport

  • Remember, you might need a visa to enter Australia. Visa regulations can differ and travel documentation requirements change frequently. Before locking in your cheap ticket from HKG to SYD, check with your airline and your destination country's local embassy or consulate for the most up-to-date information.

How to find the cheapest flights from Hong Kong International Airport (HKG) to Sydney (Kingsford Smith) Airport (SYD)

  • The lowest price we've seen for a one-way ticket from Hong Kong International Airport to Sydney (Kingsford Smith) Airport is $171. For a return flight on this route, the best price is $349. Depending on the availability and when you book, these fares may change.

  • To secure cheap tickets from HKG to SYD, book your trip 10 months ahead of your planned departure.

  • June is the cheapest month for tickets from Hong Kong International Airport to Sydney (Kingsford Smith) Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Log into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a better deal on this route. It doesn't take long, and it'll save you time checking for cheap tickets from HKG to SYD every day.

  • Use filters to find the right journey for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Hong Kong International Airport to Sydney (Kingsford Smith) Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Hong Kong International Airport (HKG)

  • Located around 32 kilometers from the center of Hong Kong, Hong Kong International Airport can be reached in about 31 minutes by car, depending on traffic. The ride on public transport will take roughly 44 minutes.

  • Have an early flight from Hong Kong International Airport to Sydney (Kingsford Smith) Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays near HKG:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

  • If you're on a late flight from Hong Kong International Airport to Sydney (Kingsford Smith) Airport, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and resting not long after at one of these options near SYD:

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • Sydney (Kingsford Smith) Airport to central Sydney is about 21 minutes by car. It's approximately 18 kilometers away. Discover what options are available, such as car rentals, cabs or ride-sharing services.

  • Traveling on public transport takes around 27 minutes.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • The quietest month for a flight from Hong Kong International Airport to Sydney (Kingsford Smith) Airport is April, while July is the busiest. Pick the ideal time to go to Sydney based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your flight from Hong Kong International Airport to Sydney (Kingsford Smith) Airport, consider the type of weather you like. January is the warmest month in Sydney, with temperatures ranging from 17ºC to 32ºC.

  • Search for cheap tickets from HKG to SYD in July if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC and 19ºC on average.

More about Sydney

  • Once you've locked in your flights from HKG to SYD, you'll want to find a hotel in Sydney. Make one of these accommodation options your base for exploring this top destination:

  • Winston Hills Lions Park and Rumsey Rose Garden are just a couple of the leading attractions to add to your Sydney must-do list. Keep the adventure rolling by checking out Westmead Hospital: Emergency Room.

Complete your Sydney trip with hotels and a car rental

  • Once you've secured your cheap ticket to Sydney (Kingsford Smith) Airport, explore the lowest prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one go to find the best car rental price for your Sydney escape.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.